Home / 14,264.17-21,399.49-7,690.21

Finding the Fourth Proportional to 14,264.17, 21,399.49 and 7,690.21

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Solution

The fourth proportional to 14,264.17, 21,399.49 and 7,690.21 is: 11,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.17 : 21,399.49 = 7,690.21 : x
  2. Step 2: Convert to fraction form
    14,264.17/21,399.49 = 7,690.21/x
  3. Step 3: Cross multiply
    14,264.17x = 21,399.49 × 7,690.21
  4. Step 4: Simplify right side
    14,264.17x = 164,566,528.11
  5. Step 5: Solve for x
    x = 164,566,528.11/14,264.17
  6. Step 6: Final answer
    x = 11,537.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.